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Finding the Fourth Proportional to 4,939.94, 7,407.48 and 2,017.46

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Solution

The fourth proportional to 4,939.94, 7,407.48 and 2,017.46 is: 3,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.94 : 7,407.48 = 2,017.46 : x
  2. Step 2: Convert to fraction form
    4,939.94/7,407.48 = 2,017.46/x
  3. Step 3: Cross multiply
    4,939.94x = 7,407.48 × 2,017.46
  4. Step 4: Simplify right side
    4,939.94x = 14,944,294.60
  5. Step 5: Solve for x
    x = 14,944,294.60/4,939.94
  6. Step 6: Final answer
    x = 3,025.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.